document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1106379>Question 1106379</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If AB=5x-2,DC=3x+20,BC=3y+8,AD=5y. Is ABCD a parallelogram? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #721351 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52787)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=721351\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "It may happen that ABSD is parallelogram.\r<BR>\n" );
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document.write( "For it, the value \"x\" must satisfy the conditions that the lengths of two pairs of opposite sides are pairwise equal.\r<BR>\n" );
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document.write( "If not, ABCD will not be a parallelogram.\r<BR>\n" );
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